44 Therapy Modes
BILEVEL ST
As long as the patient is breathing spontaneously the device is operating in the S mode.
If the patient stops breathing, the device automatically switches to the T mode. Once
a total time lag (expiration time + delay time) has elapsed the device switches into
the T mode.
20
Pressure [hPa]
I
Time
S mode
Spontaneous breathing Spontaneous breathing
Delay
time
Total
time lag
I:E
T mode
T
EPAP
IPAP
4
EE EI EI I E EI I E I
I= Inspiration E= Expiration
S mode
BILEVEL ST
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